Z8530_NULL_RX(9) Public Functions Provided Z8530_NULL_RX(9)NAME
z8530_null_rx - Discard a packet
SYNOPSIS
void z8530_null_rx(struct z8530_channel * c, struct sk_buff * skb);
ARGUMENTS
c
The channel the packet arrived on
skb
The buffer
DESCRIPTION
We point the receive handler at this function when idle. Instead of processing the frames we get to throw them away.
AUTHOR
Alan Cox <alan@lxorguk.ukuu.org.uk>
Author.
COPYRIGHT Kernel Hackers Manual 3.10 June 2014 Z8530_NULL_RX(9)
Check Out this Related Man Page
IEEE80211_GET_BUFFER(9) Advanced driver interface IEEE80211_GET_BUFFER(9)NAME
ieee80211_get_buffered_bc - accessing buffered broadcast and multicast frames
SYNOPSIS
struct sk_buff * ieee80211_get_buffered_bc(struct ieee80211_hw * hw, struct ieee80211_vif * vif);
ARGUMENTS
hw
pointer as obtained from ieee80211_alloc_hw.
vif
struct ieee80211_vif pointer from the add_interface callback.
DESCRIPTION
Function for accessing buffered broadcast and multicast frames. If hardware/firmware does not implement buffering of broadcast/multicast
frames when power saving is used, 802.11 code buffers them in the host memory. The low-level driver uses this function to fetch next
buffered frame. In most cases, this is used when generating beacon frame.
RETURN
A pointer to the next buffered skb or NULL if no more buffered frames are available.
NOTE
buffered frames are returned only after DTIM beacon frame was generated with ieee80211_beacon_get and the low-level driver must thus call
ieee80211_beacon_get first. ieee80211_get_buffered_bc returns NULL if the previous generated beacon was not DTIM, so the low-level driver
does not need to check for DTIM beacons separately and should be able to use common code for all beacons.
AUTHOR
Johannes Berg <johannes@sipsolutions.net>
Author.
COPYRIGHT Kernel Hackers Manual 3.10 June 2014 IEEE80211_GET_BUFFER(9)
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